246 



Tabellarische Uebersicht 



der verticalen Verbreitung der wichtigsten fossilen Reste der 

 Aporrhais- Schichten bei Hannover. 







Untere 

 Aporrhais- 

 Schichten 



Obere 

 Aporrhais- 

 Schichten 



Nautilus dorsatus 











Aporrhais Oceani 



— nodifera 



— cingulata 





■ 





Nerinea Gosae 



— pyramidalis 



— Moreana 









Nerita minima 







_ 



Natica punctata 

 — macrostoma 

 subnodosa 









Chemnitzia Clio 



— Armbrustii 









Chemnitzia paludinaeformis 

 — geniculata 







— 



Turbo tenuistriatus 

 Xenophorus discus 







- 



Rissoina interrupta 



Astarta scalaris ' 







— 



Actaeonina cylindrica 











Terebratula subsella 















Ostrea multiformis 

 Exogyra spiralis 













Ostrea solitaria 









Anomia undata 

 Pecten comatus 









Lima monsbeliardensis 

 Avicula oxyptera 









